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In multi-robot systems, achieving coordinated missions remains a significant challenge due to the coupled nature of coordination behaviors and the lack of global information for individual robots. To mitigate these challenges, this paper…

Robotics · Computer Science 2024-08-22 Zechen Hu , Daigo Shishika , Xuesu Xiao , Xuan Wang

In this work, we develop new self-learning techniques with an attention-based sequence-to-sequence (seq2seq) model for automatic speech recognition (ASR). For untranscribed speech data, the hypothesis from an ASR system must be used as a…

Computation and Language · Computer Science 2021-12-23 Kenichi Kumatani , Dimitrios Dimitriadis , Yashesh Gaur , Robert Gmyr , Sefik Emre Eskimez , Jinyu Li , Michael Zeng

This paper introduces a novel two-stage active learning (AL) pipeline for automatic speech recognition (ASR), combining unsupervised and supervised AL methods. The first stage utilizes unsupervised AL by using x-vectors clustering for…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-09 Ognjen Kundacina , Vladimir Vincan , Dragisa Miskovic

Self-supervised learning has been successfully used for various speech related tasks, including automatic speech recognition. BERT-based Speech pre-Training with Random-projection Quantizer (BEST-RQ) has achieved state-of-the-art results in…

Sound · Computer Science 2025-01-28 Ilja Baumann , Dominik Wagner , Korbinian Riedhammer , Tobias Bocklet

The Barlow Twins self-supervised learning objective requires neither negative samples or asymmetric learning updates, achieving results on a par with the current state-of-the-art within Computer Vision. As such, we present Audio Barlow…

Sound · Computer Science 2022-12-26 Jonah Anton , Harry Coppock , Pancham Shukla , Bjorn W. Schuller

Despite recent advancements in speech processing, zero-resource speech translation (ST) and automatic speech recognition (ASR) remain challenging problems. In this work, we propose to leverage a multilingual Large Language Model (LLM) to…

Self-supervised learning (SSL) has emerged as a promising paradigm for learning flexible speech representations from unlabeled data. By designing pretext tasks that exploit statistical regularities, SSL models can capture useful…

Sound · Computer Science 2024-01-25 Yusuf Brima , Ulf Krumnack , Simone Pika , Gunther Heidemann

We propose a learning approach for turn-level spoken language understanding, which facilitates a user to speak one or more utterances compositionally in a turn for completing a task (e.g., voice ordering). A typical pipelined approach for…

Computation and Language · Computer Science 2019-06-12 Hao Lang , Wen Wang

Pseudo-labeling (PL) has been shown to be effective in semi-supervised automatic speech recognition (ASR), where a base model is self-trained with pseudo-labels generated from unlabeled data. While PL can be further improved by iteratively…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Yosuke Higuchi , Niko Moritz , Jonathan Le Roux , Takaaki Hori

Self-supervised learning (SSL) has been able to leverage unlabeled data to boost the performance of automatic speech recognition (ASR) models when we have access to only a small amount of transcribed speech data. However, this raises the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-06 Reem Gody , David Harwath

We propose a simple method for automatic speech recognition (ASR) by fine-tuning BERT, which is a language model (LM) trained on large-scale unlabeled text data and can generate rich contextual representations. Our assumption is that given…

Sound · Computer Science 2021-02-02 Wen-Chin Huang , Chia-Hua Wu , Shang-Bao Luo , Kuan-Yu Chen , Hsin-Min Wang , Tomoki Toda

Bilevel learning is a powerful optimization technique that has extensively been employed in recent years to bridge the world of model-driven variational approaches with data-driven methods. Upon suitable parametrization of the desired…

Audio-Visual Speech Recognition (AVSR) integrates acoustic and visual information to enhance robustness in adverse acoustic conditions. Recent advances in Large Language Models (LLMs) have yielded competitive automatic speech recognition…

Sound · Computer Science 2026-03-05 Fei Su , Cancan Li , Juan Liu , Wei Ju , Hongbin Suo , Ming Li

To realize robust end-to-end Automatic Speech Recognition(E2E ASR) under radio communication condition, we propose a multitask-based method to joint train a Speech Enhancement (SE) module as the front-end and an E2E ASR model as the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-23 Duo Ma , Nana Hou , Van Tung Pham , Haihua Xu , Eng Siong Chng

Automatic speech recognition (ASR) training can utilize multiple experts as teacher models, each trained on a specific domain or accent. Teacher models may be opaque in nature since their architecture may be not be known or their training…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-29 Aakriti Agrawal , Milind Rao , Anit Kumar Sahu , Gopinath Chennupati , Andreas Stolcke

Recently, self-supervised pre-training has gained success in automatic speech recognition (ASR). However, considering the difference between speech accents in real scenarios, how to identify accents and use accent features to improve ASR is…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-16 Keqi Deng , Songjun Cao , Long Ma

Bilevel learning has gained prominence in machine learning, inverse problems, and imaging applications, including hyperparameter optimization, learning data-adaptive regularizers, and optimizing forward operators. The large-scale nature of…

Optimization and Control · Mathematics 2025-05-20 Mohammad Sadegh Salehi , Subhadip Mukherjee , Lindon Roberts , Matthias J. Ehrhardt

In this paper, we analyzed how audio-visual speech enhancement can help to perform the ASR task in a cocktail party scenario. Therefore we considered two simple end-to-end LSTM-based models that perform single-channel audio-visual speech…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-28 Luca Pasa , Giovanni Morrone , Leonardo Badino

Unsupervised speech recognition has shown great potential to make Automatic Speech Recognition (ASR) systems accessible to every language. However, existing methods still heavily rely on hand-crafted pre-processing. Similar to the trend of…

Computation and Language · Computer Science 2022-06-16 Alexander H. Liu , Wei-Ning Hsu , Michael Auli , Alexei Baevski

Text-only and semi-supervised training based on audio-only data has gained popularity recently due to the wide availability of unlabeled text and speech data. In this work, we propose incorporating text-only and semi-supervised training…

Computation and Language · Computer Science 2022-06-30 Ke Hu , Tara N. Sainath , Yanzhang He , Rohit Prabhavalkar , Trevor Strohman , Sepand Mavandadi , Weiran Wang